public class Text3 {
    // 牛客 跳台阶
    public int jumpFloor (int target) {
        // write code here
        int [] dp = new int[target + 1];
        dp[0] = 1;
        dp[1] = 1;

        for (int i = 2; i <= target; i++) {
            dp[i] = dp[i - 1] + dp[i - 2];

        }

        return dp[target];

    }
}
